31. However, the defense makes an unorthodox opening lead, presenting declarer with a possible overtrick. 32. Only then it becomes apparent if declarer has won or lost ( if he overbid ). 33. This value is then doubled and subtracted from declarer 's score ( negative score ). 34. West must duck smoothly, without hesitation, otherwise the declarer could infer the actual layout. 35. The highest bidder becomes the declarer . 36. If neither defender wants to whist, the declarer wins automatically without playing out the hand. 37. This enabled the declarer side arrange themselves very shaped hands, which lead to higher contracts. 38. According to Truscott it " opened new frontiers " in defence as well as declarer play. 39. Declarer leads to the first trick.40. The bonus for prime only applies if declarer 's party stops after the fifth trick.
